Question about Emerson MW8778 Microwave Oven
This is usually caused by a bad door switch or loose door switch mount but other common causes of a failure to heat are:
- loose connection at the magnetron
- problem or loose conneciton on the control unit circuit board
- bad magnetron or other high voltage part
If you or a friend decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and
disassembly information at our site, linked here on Fixya: http://tinyurl.com/yzjozk
Posted on Nov 18, 2007
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Posted on Jan 02, 2017
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